Its main headquarters is located in Cambridge, Ontario, Canada and it is one of the world's foremost companies dealing with automated manufacturing equipment.
He completed his apprenticeship as a precision mechanic in Switzerland before moving to Montreal, Quebec, Canada in 1960.
Woerner won many distinguished business awards, including the Ernst & Young Canadian Entrepreneur of the Year in 1997.
Lawrence Tapp, chairman of ATS Board of Directors said in a statement: "Klaus was a gifted engineer, entrepreneur and business leader who made a significant and lasting contribution to the global automation industry, to the Region of Waterloo where he chose to found ATS more than 25 years ago and to thousands of young engineers and tradespeople around the world who benefited from his commitment to apprenticeship training.
His sharp intellect, dedication to adding value through innovation, global insight, and passion to succeed made him one of Canada's great entrepreneurs".